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LM5152-Q1

ACTIVE

Automotive 2.2 MHz wide VIN low IQ synchronous boost controller

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Data sheet

LM5152-Q1

ACTIVE
Data sheet Order now

Product details

Vin (min) (V) 3.8 Vin (max) (V) 42 Operating temperature range (°C) -40 to 150 Control mode current mode Topology Boost Rating Automotive Vout (min) (V) 5 Vout (max) (V) 20 Features Adjustable current limit, Bypass Mode, Enable, Frequency synchronization, Hiccup mode protection, Light Load Efficiency, Spread Spectrum, Synchronization, Synchronous Rectification, Tracking, UVLO adjustable Iq (typ) (µA) 11 Duty cycle (max) (%) 94 TI functional safety category Functional Safety-Capable
Vin (min) (V) 3.8 Vin (max) (V) 42 Operating temperature range (°C) -40 to 150 Control mode current mode Topology Boost Rating Automotive Vout (min) (V) 5 Vout (max) (V) 20 Features Adjustable current limit, Bypass Mode, Enable, Frequency synchronization, Hiccup mode protection, Light Load Efficiency, Spread Spectrum, Synchronization, Synchronous Rectification, Tracking, UVLO adjustable Iq (typ) (µA) 11 Duty cycle (max) (%) 94 TI functional safety category Functional Safety-Capable
VQFN (RGR) 20 12.25 mm² 3.5 x 3.5
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • Suited for wide operating range automotive battery powered applications
    • 3.8-V to 42-V input operating range
    • Dynamically programmable VOUT from 5 V to 20 V (protection up to 57 V)
    • Minimum boost input 0.8 V when BIAS ≥ 3.8 V
    • Bypass operation when VSUPPLY > VLOAD (LM5152 only, see the device comparison table)
  • Minimized battery drain
    • Shutdown current ≤ 3 µA
    • Automatic mode transition
    • Battery drain in deep sleep ≤ 11 µA (bypass operation, charge pump off)
    • Battery drain in deep sleep ≤ 33 µA (bypass operation, charge pump on)
    • BIAS IQ in sleep ≤ 13 µA (skip mode)
    • Strong 5-V MOSFET drivers
  • Small solution size and low cost
    • 2.2-MHz maximum switching frequency
    • Internal boot diode
    • Constant peak current limit over VIN
    • Supports DCR inductor current sensing
    • QFN-20 with wettable flanks
  • Avoid AM band interference and crosstalk
    • Optional clock synchronization
    • 100-kHz to 2.2-MHz switching frequency
    • Selectable switching mode (FPWM, diode emulation, skip mode)
  • EMI mitigation
    • Optional programmable spread spectrum
    • Lead-less package
  • Programmability and flexibility
    • Dynamic VOUT tracking
    • Dynamic switching frequency programming
    • Programmable line UVLO
    • Adjustable soft start
    • Adaptive dead time
    • Boost STATUS indicator
  • Integrated protection features
    • Cycle-by-cycle peak current limit
    • Overvoltage protection
    • HB-SW short protection
    • Thermal shutdown
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • Suited for wide operating range automotive battery powered applications
    • 3.8-V to 42-V input operating range
    • Dynamically programmable VOUT from 5 V to 20 V (protection up to 57 V)
    • Minimum boost input 0.8 V when BIAS ≥ 3.8 V
    • Bypass operation when VSUPPLY > VLOAD (LM5152 only, see the device comparison table)
  • Minimized battery drain
    • Shutdown current ≤ 3 µA
    • Automatic mode transition
    • Battery drain in deep sleep ≤ 11 µA (bypass operation, charge pump off)
    • Battery drain in deep sleep ≤ 33 µA (bypass operation, charge pump on)
    • BIAS IQ in sleep ≤ 13 µA (skip mode)
    • Strong 5-V MOSFET drivers
  • Small solution size and low cost
    • 2.2-MHz maximum switching frequency
    • Internal boot diode
    • Constant peak current limit over VIN
    • Supports DCR inductor current sensing
    • QFN-20 with wettable flanks
  • Avoid AM band interference and crosstalk
    • Optional clock synchronization
    • 100-kHz to 2.2-MHz switching frequency
    • Selectable switching mode (FPWM, diode emulation, skip mode)
  • EMI mitigation
    • Optional programmable spread spectrum
    • Lead-less package
  • Programmability and flexibility
    • Dynamic VOUT tracking
    • Dynamic switching frequency programming
    • Programmable line UVLO
    • Adjustable soft start
    • Adaptive dead time
    • Boost STATUS indicator
  • Integrated protection features
    • Cycle-by-cycle peak current limit
    • Overvoltage protection
    • HB-SW short protection
    • Thermal shutdown

The LM5152x-Q1 (LM5152-Q1 and LM51521-Q1) device is a wide input range synchronous boost controller that employs peak current mode control.

The LM5152x-Q1 (LM5152-Q1 and LM51521-Q1) device is a wide input range synchronous boost controller that employs peak current mode control.

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LM5123-Q1 ACTIVE 2.2MHz wide VIN low IQ synchronous boost controller Use LM5123-Q1 in case required VOUT > 20 V
LM5150-Q1 ACTIVE Automotive 1.5-V to 42-V VIN, low IQ boost controller with 6.8V, 7.5V, 8.5V, 10.5V output options Use LM5150-Q1 when lowest IQ is required
LM51501-Q1 ACTIVE Automotive 1.5-V to 42-V VIN, low IQ boost controller with 6V, 6.5V, 9.5V, 11.5V output options Use LM51501-Q1 when lowest IQ is required. LM51501 has different fixed VOUT settings to LM5150-Q1

Technical documentation

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Type Title Date
* Data sheet LM5152x-Q1 Automotive Low-IQ Synchronous Boost Controller for Start-Stop/Backup Battery Power Supply datasheet (Rev. A) PDF | HTML 14 Apr 2022
Functional safety information LM5152x-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 30 Mar 2022
User guide LM5152EVM-BST Evaluation Module PDF | HTML 23 Sep 2021
Certificate LM5152EVM-BST EU RoHS Declaration of Conformity (DoC) 19 Jul 2021

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

LM5152EVM-BST — LM5152 evaluation module for boost controller

The LM5152EVM-BST evaluation module (EVM) showcases the features and performance of the LM5152-Q1 wide input voltage synchronous boost controller, including:

  • Low IQ operation
  • Internal feedback resistors
  • Bypass mode operation when VIN is greater than the VOUT regulation target
  • Dynamic output voltage (...)
User guide: PDF | HTML
Not available on TI.com
Simulation model

LM5152-Q1 PSpice Average Model (Encrypted)

SLVMDU9.ZIP (41 KB) - PSpice Model
Download
Simulation model

LM5152-Q1 PSpice Transient Model (Encrypted)

SLVMDU8.ZIP (102 KB) - PSpice Model
Download
Calculation tool

SLVRBL5 — LM5152-Q1 Boost Controller Quickstart Design Tool

Supported products & hardware

Supported products & hardware

Products
AC/DC & DC/DC controllers (external FET)
LM5152-Q1 — Automotive 2.2 MHz wide VIN low IQ synchronous boost controller
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This reference design showcases the 100W automotive infotainment display module power reference design with cold crank, load dump and FuSa Capabilities.

The LM74900-Q1 is the first stage of the design playing a role of protection for negative input voltage, undervoltage, locked output, and (...)

Test report: PDF
Reference designs

PMP30963 — Backup battery reference design with preboost, charger and 1S Li-ion fuel gauge

This design shows an automotive backup battery using a 1S Li-ion battery for emergency operation. The primary power input is rated for 6-V to 18-V nominal (2.7-V to 36-V peak) to comply with 12-V automotive requirements. The secondary power input has a fuel gauge to monitor a single cell Li-ion (...)
Test report: PDF
Package Pins CAD symbols, footprints & 3D models
VQFN (RGR) 20 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

Ordering & quality

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  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

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